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	Quick Search Author Title Abstract Nr. Schedule Nr. Biogeosciences Open sessions on Biogeosciences Palaeo-Biogeosciences Coastal Systems Terrestrial Systems Inland Waters Open Ocean Systems Geomicrobiology and Exobiology Programme Groups Great Debates Union Symposia Educational Symposia Atmospheric Sciences Biogeosciences Climate: Past, Present, Future Cryospheric Sciences Energy, Resources and the Environment Geochemistry, Mineralogy, Petrology & Volcanology Geodesy Geodynamics Geomorphology Geophysical Instrumentation Hydrological Sciences Magnetism, Palaeomagnetism, Rock Physics & Geomaterials Natural Hazards Nonlinear Processes in Geophysics Ocean Sciences Planetary and Solar System Sciences Seismology Soil System Sciences Solar-Terrestrial Sciences Stratigraphy, Sedimentology and Palaeontology Tectonics and Structural Geology Medal Lectures Key Note Lectures Key Note Sessions Division Business Meetings Editorial Board Meetings Townhall Meetings Splinter Meetings Union Meetings   Poster Programme - BG2.01 Environments of Life on Early Earth Select contributions you wish to be included in your Personal Programme and press "Add" to Personal Programme. Finally, click on "Personal Programme" to modify, view, print, save or export your Personal Programme. Please, click Abstract Number to find the corresponding abstract as PDF file; if necessary, download Adobe Acrobat Reader 4.0 first to open the file. Any abstract may be freely reproduced for non-commercial, scientific purposes; however, the moral right of the author(s) to be identified as the author(s) of such abstracts is asserted. Convener: Philippot, P. Co-Convener: Van Kranendonk, M. Co-Sponsorship: Author in Attendance: Friday, 7 April 2006 10:30 - 12:00 Display Time: Friday, 7 April 2006 08:00 - Friday, 7 April 2006 19:30 Poster Area: Hall A Chairperson: PHILIPPOT, P. Select complete timeblock A0008 EGU06-A-02562;  BG2.01-1FR2P-0008 Sugitani, K.; Nagaoka, T.; Mimura, K.; Grey, K.; Van Kranendonk, M.; Minami, M.; Marshall, C.P.; Allwood, A.; Walter, M.R. Discovery of possible microfossils from c. 3.4 Ga Strelley Pool Chert, Kelly Group, Pilbara Craton: evidence for antiquity of life and biotic diversity? A0009 EGU06-A-04618;  BG2.01-1FR2P-0009 Wille, M.; Kramers, J.D.; Nägler, T.F.; Beukes, N.J.; Meisel, T.; Voegelin, A.; Schröder, S.; Lacassie, J.P. Mo and Mo-PGE signatures of black shales as a proxy for a rise of oxygen event within the Transvaal Supergroup, South Africa A0010 EGU06-A-04906;  BG2.01-1FR2P-0010 Wacey, D.; Kilburn, M.; Mcloughlin, N.; Brasier, M.D. The use of NanoSIMS to critically test claims of early (3.5 billion-year-old) life A0011 EGU06-A-05697;  BG2.01-1FR2P-0011 Furnes, H.; Banerjee, N.R.; Staudigel, H.; Muehlenbachs, K.; Simonetti, A.; de Wit, M.; Van Kranendonk, M. Bioalteration textures in ancient submarine lavas: A petrographic signature of early life on Earth A0012 EGU06-A-09013;  BG2.01-1FR2P-0012 Thomazo, C.; Ader, M.; Philippot, P. Organic δ13C negative excursion at 2.7 Ga viewed along a 100 m depth drill-core profile (Tumbiana formation, Western Australia). A0013 EGU06-A-09072;  BG2.01-1FR2P-0013 Philippot, P.; Lepot, K.; Thomazo, C.; Van Kranendonk, M.; Cotte, M. Abiotic vs biotic carbonaceous matter in 3,525-Myr-old hydrothermally-altered subseafloor sediments (Pilbara Craton, Western Australia) A0014 EGU06-A-09618;  BG2.01-1FR2P-0014 Lepot, K; Philippot, P; Benzerara, K; Cotte, M In-situ structural and chemical characterisation of biogenic organic matter in 2.72 Ga stromatolites, Tumbiana Formation, Western Australia A0015 EGU06-A-00968;  BG2.01-1FR2P-0015 Kitajima, K; Maruyama, S Archean (3.5 Ga) mid-ocean ridge hydrothermal system: a physico-chemical environment for early life A0016 EGU06-A-04311;  BG2.01-1FR2P-0016 Nna-Mvondo, D.; Martinez-Frias, J. Komatiitic volcanoes as possible suitable sites for abiotic chemistry and biological processes on early Earth A0017 EGU06-A-00770;  BG2.01-1FR2P-0017 Goldblatt, C.; Lenton, T. M.; Watson, A. J. The Great Oxidation at ~2.4 Ga as a bistability in atmospheric oxygen due to UV shielding by ozone (solicited) A0018 EGU06-A-01382;  BG2.01-1FR2P-0018 Merinero, R; Lunar, R; Martínez-Frías, J; Somoza, L; Díaz-del-Río, V Iron-rich coccoidal microcrystals and framboids in submarine, methane-derived carbonate chimneys (Gulf of Cadiz, SW Iberian Peninsula): mineralogy, textures and astrobiological relevance (solicited) to Personal Programme and Back to Session Programme View corresponding Oral Programme Back to Session Programme

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